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-Dominant- [34]
2 years ago
7

The pulse rates, in beats per minute, for some students of a class are shown below:

Mathematics
1 answer:
Crazy boy [7]2 years ago
7 0

Answer:

Put another dot on 79

Step-by-step explanation:

Because the plot shows that 79 must have 4 dot.So you need to add one more dot

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Eric drove 113 miles on Monday. On Tuesday, he drove 33 miles less than Monday. How far did he drive both days?
Marat540 [252]
He drove 193 mile you subtract 33 from 113 which is 80 then add 80 and 113 together and you get 193
5 0
2 years ago
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Factor completely: 2x4 − 32.
vazorg [7]

Answer:

Option b) is correct.

The completed factor of given expression is  2(x-2)(x+2)(x^2+4)

Step-by-step explanation:

Given expression is 2x^4-32

To find the completed factor for the given expression:

2x^4-32:

Taking the common number "2" outside  to the above expression we get

2x^4-32=2(x^4-16)

Now rewritting the above  expression as below

=2(x^4-2^4)  (since 16 can be written as the number 2 to the power of 4)

=2((x^2)^2-(2^2)^2)

The above expression is of the form a^2-b^2=(a+b)(a-b)

Here a=x^2 and  b=2^2

Therefore it becomes

=2(x^2+2^2)(x^2-2^2)

=2(x^2+4)(x^2-2^2)  

The above expression is of the form a^2-b^2=(a+b)(a-b)

Here a=x and  b=2

Therefore it becomes

=2(x^2+4)(x+2)(x-2)  

=2(x+2)(x-2)(x^2+4)  

Therefore =2(x+2)(x-2)(x^2+4)  

2x^4-32=2(x-2)(x+2)(x^2+4)  

Option b) is correct.

The completed factor of given expression is  2(x-2)(x+2)(x^2+4)

3 0
3 years ago
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How to find Co factor of elements of Determinant​
Sophie [7]

Answer:

Step-by-step explanation:

We can easily find the determinant of a matrix of which will be the cofactor of 2. Multiplying the diagonal elements of the matrix, we get. Now subtract the value of the second diagonal from the first, i.e, 48 – 3 = 45. Check the sign that is assigned to the number

6 0
2 years ago
3x+1/5 y= 7 solve for x
TiliK225 [7]
X = -1/15y+7/3

I hope this helps! :>
4 0
3 years ago
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Which row in the table is closest to the actual solution?
Montano1993 [528]

Answer:

0.8= 2.1448=2.1379

Step-by-step explanation:

6 0
3 years ago
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